# *numbers 表示可变参数
def calc(*numbers):
    sum = 0
    for n in numbers:
        sum = sum + n * n
    return sum
a = calc(1, 2, 3, 4)
print(a)




# 关键字参数

def person(name,age ,**kw):
    print('name=',name,'age=',age,'kw:',kw)

person('123',23)